Buffered memory — is an older term for registered memory.However, some new large systems use fully buffered memory . In normal registered/buffered memory only the control lines are buffered, in fully buffered memory the data lines are buffered as well … Wikipedia

Buffered oxide etch — Buffered oxide etch, also known as buffered HF or BHF, is a wet etchant used in microfabrication. Its primary use is in etching thin films of silicon dioxide (SiO2) or silicon nitride (Si3N4). It is comprised of a mixture of a buffering agent,… … Wikipedia